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You don't have to ask your boss for a fast build (Lean Software Development part 6) - Philippe Bourgau's blog

http://philippe.bourgau.net/you-dont-have-to-ask-your-boss-for-a-fast-build-lean-software-development-part-6

You Don't Have to Ask Your Boss for a Fast Build (Lean Software Development Part 6). A slow build costs money. I mean it costs. A whole lot of money all the time! Spending some time to speed up the build is like an investment, you’ll pay some money now, but then it’s only a matter of time until you get a return on investment. Here is the trick, if you manage to get it quickly, no one will even notice that you spent some time making the build faster! With a bit of maths, you can even get what Reinertsen.

philippe.bourgau.net

Measure The Business Value of Your Spikes and Take High Payoff Risks (Lean Software Development Part 4) - Philippe Bourgau's blog

http://philippe.bourgau.net/measure-the-business-value-of-your-spikes-and-take-high-payoff-risks-lean-software-development-part-4

Measure the Business Value of Your Spikes and Take High Payoff Risks (Lean Software Development Part 4). We’ve unexpectedly been asked by other teams if they could use our product for something that we had not forseen. As we are not sure whether we’ll be able to tune our product to their needs, we are thinking about doing a short study to know the answer. This looks like a great opportunity to try out Cost of Delay. Analysis about uncertain tasks. Terms, this is a spike. If we are using the Weighted Shor...

philippe.bourgau.net

Blog Archive - Philippe Bourgau's blog

http://philippe.bourgau.net/blog/archives

How to kill Scrum Zombies? Continuously Deliver a Rails App to your DigitalOcean Box using Docker. ReXP : Remote eXtreme Programming. 3 More Great Talks From JavaOne 2016. Top 5 talks I attended at JavaOne 2016 (Part 2). Top 5 talks I attended at JavaOne 2016 (Part 1). How NOT to use mocks, my talk at Paris.rb. How to use Hackernews and Reddit for blogging. Kudo Boxes for Kids. RSpecProxies now supports .to receive(xxx)… syntax. How to prepare a new Ruby env in 3 minutes using Docker. The Size Of Code.

philippe.bourgau.net

How to measure your speed with your business value ? (Lean Software Development Part 3) - Philippe Bourgau's blog

http://philippe.bourgau.net/how-to-measure-your-speed-with-your-business-value-lean-software-development-part-3

How to Measure Your Speed With Your Business Value? Lean Software Development Part 3). There is a french idiom that basicaly is. No use to run, all that is needed is to start on time …. An agile engineer would add. Hellip; and to go in the good direction. Indeed, velocity or mean cycle time as speed measures have their shortcomings :. Can be falsified by story point inflation! Does not tell the team or its product owner whether they are working on the right thing. From Reinertsen’s Flow book. Stories wit...

philippe.bourgau.net

The Agile Change Management Viral Hack - Philippe Bourgau's blog

http://philippe.bourgau.net/the-agile-change-management-viral-hack

The Agile Change Management Viral Hack. We just discovered a hack to spread agile ( BDD. By the way) through an organization. It works provided :. There is a BDD testing expert in your team. Your team is using the work of another software team from your company. If this team does not use agile practices, they are likely to regularly create regressions or to be late at providing new versions. Use your client role in the relation, and propose your help! Posted by Philippe Bourgau. How to kill Scrum Zombies?

philippe.bourgau.net

Setting up Octopress with Vagrant and rbenv - Philippe Bourgau's blog

http://philippe.bourgau.net/setting-up-octopress-with-vagrant-and-rbenv

Setting Up Octopress With Vagrant and Rbenv. I recently got hands on an abandonned laptop that was better than the one I was currently using for my personnal hackings, so I decided to switch to this one. I felt this was the time to learn Vagrant and save me some time later on. I settled on creating a Vagrant. Environment for this Octopress. Blogging. That proved a lot longer than I thought it would. If you want to jump to the solution, just have a look at this git change. Echo Updating package definitions.

philippe.bourgau.net

Real Programmers Have Todo Lists - Philippe Bourgau's blog

http://philippe.bourgau.net/real-programmers-have-todo-lists

Real Programmers Have Todo Lists. Productive programmers maintain a todo list. No Exception. Why is it so important. As programmers, here is the typical internal discussion we have all day long :. Why the hell am I doing this again? Hellip; hard thinking …. I remember now :. In order to move it to another class. In order to move this other function there too. In order to be able to remove that other static variable. In order to refactor the login module. In order to refactor the query generator. How to d...

philippe.bourgau.net

What Optimization Should We Work On (Lean Software Development Part 5) - Philippe Bourgau's blog

http://philippe.bourgau.net/what-optimization-should-we-work-on-lean-software-development-part-5

What Optimization Should We Work on (Lean Software Development Part 5). At work, we are building a risk aggregation system. As it’s dealing with a large bunch of numbers, it’s a huge heap of optimizations. Once that its most standard features set is supported, our job mostly consists of making it faster. That’s were we are now doing. How do we choose which optimization to work on? Let’s walk through an example. I List the optimizations you are thinking of. Minimize boxing and unboxing. So based on speedu...

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Can agile teams commit? - Philippe Bourgau's blog

http://philippe.bourgau.net/can-agile-teams-commit

Can Agile Teams Commit? Making commitments to deliver software is always difficult. Whatever the margin you might take, it invariably seems wrong afterward …. So how can you do it while remaining agile? Grossly speaking, you have 2 options :. Do it as usual. Discuss with your experts, take some margin, do whatever voodoo you are used to. This will not be worse than it used to be. It might turn out better, thanks to your agile process, you should be able to deploy with a reduced the scope if needed. Syste...

philippe.bourgau.net

Actors and Green Threads in Java Demystified - Philippe Bourgau's blog

http://philippe.bourgau.net/actors-and-green-threads-in-java-demystified

Actors and Green Threads in Java Demystified. After finishing my concurrency-kata. One of the things that most surprised me, is how simple it was to prototype the Actor Model. In Java using Green Threads. First, here is the base class for all actors. As you can see, I simply used Runnable as the type of the messages. The Actor itself is Runnable, meaning that it can be submitted to the thread pool. When executed :. It tries to handle a message from the mailbox if there is one. Results can be disappointin...